mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
gst/rtp/: Added G726 pay/depayloaders. Fixes #538891.
Original commit message from CVS: Patch by: mersad <mersad at axis dot com> * gst/rtp/Makefile.am: * gst/rtp/gstrtp.c: (plugin_init): * gst/rtp/gstrtpg726depay.c: (gst_rtp_g726_depay_base_init), (gst_rtp_g726_depay_class_init), (gst_rtp_g726_depay_init), (gst_rtp_g726_depay_setcaps), (gst_rtp_g726_depay_process), (gst_rtp_g726_depay_plugin_init): * gst/rtp/gstrtpg726depay.h: * gst/rtp/gstrtpg726pay.c: (gst_rtp_g726_pay_base_init), (gst_rtp_g726_pay_class_init), (gst_rtp_g726_pay_init), (gst_rtp_g726_pay_setcaps), (gst_rtp_g726_pay_plugin_init): * gst/rtp/gstrtpg726pay.h: Added G726 pay/depayloaders. Fixes #538891.
This commit is contained in:
parent
198224ef58
commit
e3141bbb49
7 changed files with 517 additions and 0 deletions
17
ChangeLog
17
ChangeLog
|
@ -1,3 +1,20 @@
|
|||
2008-06-18 Wim Taymans <wim.taymans@collabora.co.uk>
|
||||
|
||||
Patch by: mersad <mersad at axis dot com>
|
||||
|
||||
* gst/rtp/Makefile.am:
|
||||
* gst/rtp/gstrtp.c: (plugin_init):
|
||||
* gst/rtp/gstrtpg726depay.c: (gst_rtp_g726_depay_base_init),
|
||||
(gst_rtp_g726_depay_class_init), (gst_rtp_g726_depay_init),
|
||||
(gst_rtp_g726_depay_setcaps), (gst_rtp_g726_depay_process),
|
||||
(gst_rtp_g726_depay_plugin_init):
|
||||
* gst/rtp/gstrtpg726depay.h:
|
||||
* gst/rtp/gstrtpg726pay.c: (gst_rtp_g726_pay_base_init),
|
||||
(gst_rtp_g726_pay_class_init), (gst_rtp_g726_pay_init),
|
||||
(gst_rtp_g726_pay_setcaps), (gst_rtp_g726_pay_plugin_init):
|
||||
* gst/rtp/gstrtpg726pay.h:
|
||||
Added G726 pay/depayloaders. Fixes #538891.
|
||||
|
||||
2008-06-17 Wim Taymans <wim.taymans@collabora.co.uk>
|
||||
|
||||
* gst/rtsp/URLS:
|
||||
|
|
|
@ -17,6 +17,8 @@ libgstrtp_la_SOURCES = \
|
|||
gstrtppcmudepay.c \
|
||||
gstrtppcmupay.c \
|
||||
gstrtppcmapay.c \
|
||||
gstrtpg726pay.c \
|
||||
gstrtpg726depay.c \
|
||||
gstrtpg729pay.c \
|
||||
gstrtpg729depay.c \
|
||||
gstrtpgsmdepay.c \
|
||||
|
@ -75,6 +77,8 @@ noinst_HEADERS = \
|
|||
gstrtppcmudepay.h \
|
||||
gstrtppcmupay.h \
|
||||
gstrtppcmapay.h \
|
||||
gstrtpg726depay.h \
|
||||
gstrtpg726pay.h \
|
||||
gstrtpg729depay.h \
|
||||
gstrtpg729pay.h \
|
||||
gstrtpgsmdepay.h \
|
||||
|
|
|
@ -31,6 +31,8 @@
|
|||
#include "gstrtppcmapay.h"
|
||||
#include "gstrtppcmadepay.h"
|
||||
#include "gstrtppcmudepay.h"
|
||||
#include "gstrtpg726depay.h"
|
||||
#include "gstrtpg726pay.h"
|
||||
#include "gstrtpg729depay.h"
|
||||
#include "gstrtpg729pay.h"
|
||||
#include "gstrtpgsmpay.h"
|
||||
|
@ -86,6 +88,12 @@ plugin_init (GstPlugin * plugin)
|
|||
if (!gst_rtp_ilbc_depay_plugin_init (plugin))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_rtp_g726_depay_plugin_init (plugin))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_rtp_g726_pay_plugin_init (plugin))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_rtp_g729_depay_plugin_init (plugin))
|
||||
return FALSE;
|
||||
|
||||
|
|
207
gst/rtp/gstrtpg726depay.c
Normal file
207
gst/rtp/gstrtpg726depay.c
Normal file
|
@ -0,0 +1,207 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
|
||||
* Copyright (C) 2005 Edgard Lima <edgard.lima@indt.org.br>
|
||||
* Copyright (C) 2005 Zeeshan Ali <zeenix@gmail.com>
|
||||
* Copyright (C) 2008 Axis Communications <dev-gstreamer@axis.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <gst/rtp/gstrtpbuffer.h>
|
||||
|
||||
#include "gstrtpg726depay.h"
|
||||
|
||||
#define DEFAULT_BIT_RATE 32000
|
||||
#define SAMPLE_RATE 8000
|
||||
#define LAYOUT_G726 "g726"
|
||||
|
||||
/* elementfactory information */
|
||||
static const GstElementDetails gst_rtp_g726depay_details =
|
||||
GST_ELEMENT_DETAILS ("RTP packet depayloader",
|
||||
"Codec/Depayloader/Network",
|
||||
"Extracts G.726 audio from RTP packets",
|
||||
"Axis Communications <dev-gstreamer@axis.com>");
|
||||
|
||||
/* RtpG726Depay signals and args */
|
||||
enum
|
||||
{
|
||||
/* FILL ME */
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
ARG_0
|
||||
};
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_g726_depay_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"media = (string) \"audio\", "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
|
||||
"encoding-name = (string) { \"G726\", \"G726-16\", \"G726-24\", \"G726-32\", \"G726-40\"}, "
|
||||
"clock-rate = (int) 8000;")
|
||||
);
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_g726_depay_src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("audio/x-adpcm, "
|
||||
"channels = (int) 1, "
|
||||
"rate = (int) 8000, "
|
||||
"bitrate = (int) { 16000, 24000, 32000, 40000 }, "
|
||||
"layout = (string) \"g726\"")
|
||||
);
|
||||
|
||||
static GstBuffer *gst_rtp_g726_depay_process (GstBaseRTPDepayload * depayload,
|
||||
GstBuffer * buf);
|
||||
static gboolean gst_rtp_g726_depay_setcaps (GstBaseRTPDepayload * depayload,
|
||||
GstCaps * caps);
|
||||
|
||||
GST_BOILERPLATE (GstRtpG726Depay, gst_rtp_g726_depay, GstBaseRTPDepayload,
|
||||
GST_TYPE_BASE_RTP_DEPAYLOAD);
|
||||
|
||||
static void
|
||||
gst_rtp_g726_depay_base_init (gpointer klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_g726_depay_src_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_g726_depay_sink_template));
|
||||
gst_element_class_set_details (element_class, &gst_rtp_g726depay_details);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_g726_depay_class_init (GstRtpG726DepayClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
GstBaseRTPDepayloadClass *gstbasertpdepayload_class;
|
||||
|
||||
gobject_class = (GObjectClass *) klass;
|
||||
gstelement_class = (GstElementClass *) klass;
|
||||
gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass;
|
||||
|
||||
parent_class = g_type_class_peek_parent (klass);
|
||||
|
||||
gstbasertpdepayload_class->process = gst_rtp_g726_depay_process;
|
||||
gstbasertpdepayload_class->set_caps = gst_rtp_g726_depay_setcaps;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_g726_depay_init (GstRtpG726Depay * rtpG726depay,
|
||||
GstRtpG726DepayClass * klass)
|
||||
{
|
||||
GstBaseRTPDepayload *depayload;
|
||||
|
||||
depayload = GST_BASE_RTP_DEPAYLOAD (rtpG726depay);
|
||||
|
||||
gst_pad_use_fixed_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload));
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_g726_depay_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps)
|
||||
{
|
||||
GstCaps *srccaps;
|
||||
GstStructure *structure;
|
||||
gboolean ret;
|
||||
gint clock_rate = 8000; /* default */
|
||||
const gchar *encoding_name;
|
||||
gint bitrate;
|
||||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
|
||||
gst_structure_get_int (structure, "clock-rate", &clock_rate);
|
||||
depayload->clock_rate = clock_rate;
|
||||
|
||||
encoding_name = gst_structure_get_string (structure, "encoding-name");
|
||||
if (encoding_name == NULL || g_ascii_strcasecmp (encoding_name, "G726") == 0) {
|
||||
bitrate = DEFAULT_BIT_RATE;
|
||||
} else if (g_ascii_strcasecmp (encoding_name, "G726-16") == 0) {
|
||||
bitrate = 16000;
|
||||
} else if (g_ascii_strcasecmp (encoding_name, "G726-24") == 0) {
|
||||
bitrate = 24000;
|
||||
} else if (g_ascii_strcasecmp (encoding_name, "G726-32") == 0) {
|
||||
bitrate = 32000;
|
||||
} else if (g_ascii_strcasecmp (encoding_name, "G726-40") == 0) {
|
||||
bitrate = 40000;
|
||||
} else {
|
||||
GST_WARNING ("Could not determine bitrate from encoding-name (%s)",
|
||||
encoding_name);
|
||||
ret = FALSE;
|
||||
goto done;
|
||||
}
|
||||
GST_DEBUG ("RTP G.726 depayloader, bitrate set to %d\n", bitrate);
|
||||
|
||||
srccaps = gst_caps_new_simple ("audio/x-adpcm",
|
||||
"channels", G_TYPE_INT, 1,
|
||||
"rate", G_TYPE_INT, clock_rate,
|
||||
"bitrate", G_TYPE_INT, bitrate,
|
||||
"layout", G_TYPE_STRING, LAYOUT_G726, NULL);
|
||||
|
||||
ret = gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
|
||||
gst_caps_unref (srccaps);
|
||||
|
||||
done:
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static GstBuffer *
|
||||
gst_rtp_g726_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
|
||||
{
|
||||
GstCaps *srccaps;
|
||||
GstBuffer *outbuf = NULL;
|
||||
|
||||
GST_DEBUG ("process : got %d bytes, mark %d ts %u seqn %d",
|
||||
GST_BUFFER_SIZE (buf),
|
||||
gst_rtp_buffer_get_marker (buf),
|
||||
gst_rtp_buffer_get_timestamp (buf), gst_rtp_buffer_get_seq (buf));
|
||||
|
||||
srccaps = GST_PAD_CAPS (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload));
|
||||
if (!srccaps) {
|
||||
/* Set the default caps */
|
||||
srccaps = gst_caps_new_simple ("audio/x-adpcm",
|
||||
"channels", G_TYPE_INT, 1,
|
||||
"rate", G_TYPE_INT, SAMPLE_RATE,
|
||||
"bitrate", G_TYPE_INT, DEFAULT_BIT_RATE,
|
||||
"layout", G_TYPE_STRING, LAYOUT_G726, NULL);
|
||||
gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps);
|
||||
gst_caps_unref (srccaps);
|
||||
}
|
||||
outbuf = gst_rtp_buffer_get_payload_buffer (buf);
|
||||
|
||||
return outbuf;
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_g726_depay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtpg726depay",
|
||||
GST_RANK_MARGINAL, GST_TYPE_RTP_G726_DEPAY);
|
||||
}
|
51
gst/rtp/gstrtpg726depay.h
Normal file
51
gst/rtp/gstrtpg726depay.h
Normal file
|
@ -0,0 +1,51 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2005 Edgard Lima <edgard.lima@indt.org.br>
|
||||
* Copyright (C) 2008 Axis Communications AB <dev-gstreamer@axis.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more
|
||||
*/
|
||||
|
||||
#ifndef __GST_RTP_G726_DEPAY_H__
|
||||
#define __GST_RTP_G726_DEPAY_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstbasertpdepayload.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
typedef struct _GstRtpG726Depay GstRtpG726Depay;
|
||||
typedef struct _GstRtpG726DepayClass GstRtpG726DepayClass;
|
||||
|
||||
#define GST_TYPE_RTP_G726_DEPAY \
|
||||
(gst_rtp_g726_depay_get_type())
|
||||
#define GST_RTP_G726_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G726_DEPAY,GstRtpG726Depay))
|
||||
#define GST_RTP_G726_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G726_DEPAY,GstRtpG726DepayClass))
|
||||
#define GST_IS_RTP_G726_DEPAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G726_DEPAY))
|
||||
#define GST_IS_RTP_G726_DEPAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G726_DEPAY))
|
||||
|
||||
struct _GstRtpG726Depay
|
||||
{
|
||||
GstBaseRTPDepayload depayload;
|
||||
};
|
||||
|
||||
struct _GstRtpG726DepayClass
|
||||
{
|
||||
GstBaseRTPDepayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtp_g726_depay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
#endif /* __GST_RTP_G726_DEPAY_H__ */
|
181
gst/rtp/gstrtpg726pay.c
Normal file
181
gst/rtp/gstrtpg726pay.c
Normal file
|
@ -0,0 +1,181 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
|
||||
* Copyright (C) 2005 Edgard Lima <edgard.lima@indt.org.br>
|
||||
* Copyright (C) 2005 Nokia Corporation <kai.vehmanen@nokia.com>
|
||||
* Copyright (C) 2007,2008 Axis Communications <dev-gstreamer@axis.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <gst/rtp/gstrtpbuffer.h>
|
||||
|
||||
#include "gstrtpg726pay.h"
|
||||
|
||||
static const GstElementDetails gst_rtp_g726_pay_details =
|
||||
GST_ELEMENT_DETAILS ("RTP packet payloader",
|
||||
"Codec/Payloader/Network",
|
||||
"Payload-encodes G.726 audio into a RTP packet",
|
||||
"Axis Communications <dev-gstreamer@axis.com>");
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_g726_pay_sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("audio/x-adpcm, "
|
||||
"channels = (int) 1, "
|
||||
"rate = (int) 8000, "
|
||||
"bitrate = (int) { 16000, 24000, 32000, 40000 }, "
|
||||
"layout = (string) \"g726\"; "
|
||||
"audio/G723, channels=(int)1, rate=(int)8000; "
|
||||
"audio/32KADPCM, channels=(int)1, rate=(int)8000")
|
||||
);
|
||||
|
||||
static GstStaticPadTemplate gst_rtp_g726_pay_src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src",
|
||||
GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-rtp, "
|
||||
"media = (string) \"audio\", "
|
||||
"payload = (int) " GST_RTP_PAYLOAD_DYNAMIC_STRING ", "
|
||||
"clock-rate = (int) 8000, "
|
||||
"encoding-name = (string) { \"G726-16\", \"G726-24\", \"G726-32\", \"G726-40\" } ")
|
||||
);
|
||||
|
||||
static gboolean gst_rtp_g726_pay_setcaps (GstBaseRTPPayload * payload,
|
||||
GstCaps * caps);
|
||||
|
||||
GST_BOILERPLATE (GstRtpG726Pay, gst_rtp_g726_pay, GstBaseRTPAudioPayload,
|
||||
GST_TYPE_BASE_RTP_AUDIO_PAYLOAD);
|
||||
|
||||
static void
|
||||
gst_rtp_g726_pay_base_init (gpointer klass)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
||||
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_g726_pay_sink_template));
|
||||
gst_element_class_add_pad_template (element_class,
|
||||
gst_static_pad_template_get (&gst_rtp_g726_pay_src_template));
|
||||
gst_element_class_set_details (element_class, &gst_rtp_g726_pay_details);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_g726_pay_class_init (GstRtpG726PayClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
GstBaseRTPPayloadClass *gstbasertppayload_class;
|
||||
|
||||
gobject_class = (GObjectClass *) klass;
|
||||
gstelement_class = (GstElementClass *) klass;
|
||||
gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass;
|
||||
|
||||
parent_class = g_type_class_peek_parent (klass);
|
||||
|
||||
gstbasertppayload_class->set_caps = gst_rtp_g726_pay_setcaps;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_rtp_g726_pay_init (GstRtpG726Pay * rtpg726pay, GstRtpG726PayClass * klass)
|
||||
{
|
||||
GstBaseRTPAudioPayload *basertpaudiopayload;
|
||||
|
||||
basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (rtpg726pay);
|
||||
|
||||
GST_BASE_RTP_PAYLOAD (rtpg726pay)->clock_rate = 8000;
|
||||
|
||||
/* sample based codec */
|
||||
gst_base_rtp_audio_payload_set_sample_based (basertpaudiopayload);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_rtp_g726_pay_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
|
||||
{
|
||||
gchar *encoding_name;
|
||||
GstStructure *structure = gst_caps_get_structure (caps, 0);
|
||||
const gchar *stname = gst_structure_get_name (structure);
|
||||
GstBaseRTPAudioPayload *basertpaudiopayload;
|
||||
gint bitrate;
|
||||
|
||||
basertpaudiopayload = GST_BASE_RTP_AUDIO_PAYLOAD (payload);
|
||||
|
||||
if (strcmp ("audio/x-adpcm", stname) == 0) {
|
||||
if (!gst_structure_get_int (structure, "bitrate", &bitrate))
|
||||
bitrate = 32000;
|
||||
} else if (strcmp ("audio/G723", stname) == 0) {
|
||||
bitrate = 24000;
|
||||
} else if (strcmp ("audio/32KADPCM", stname) == 0) {
|
||||
bitrate = 32000;
|
||||
} else
|
||||
goto invalid_caps;
|
||||
|
||||
switch (bitrate) {
|
||||
case 16000:
|
||||
encoding_name = g_strdup ("G726-16");
|
||||
gst_base_rtp_audio_payload_set_samplebits_options (basertpaudiopayload,
|
||||
2);
|
||||
break;
|
||||
case 24000:
|
||||
encoding_name = g_strdup ("G726-24");
|
||||
gst_base_rtp_audio_payload_set_samplebits_options (basertpaudiopayload,
|
||||
3);
|
||||
break;
|
||||
case 32000:
|
||||
encoding_name = g_strdup ("G726-32");
|
||||
gst_base_rtp_audio_payload_set_samplebits_options (basertpaudiopayload,
|
||||
4);
|
||||
break;
|
||||
case 40000:
|
||||
encoding_name = g_strdup ("G726-40");
|
||||
gst_base_rtp_audio_payload_set_samplebits_options (basertpaudiopayload,
|
||||
5);
|
||||
break;
|
||||
default:
|
||||
goto invalid_bitrate;
|
||||
}
|
||||
|
||||
gst_basertppayload_set_options (payload, "audio", TRUE, encoding_name, 8000);
|
||||
gst_basertppayload_set_outcaps (payload, NULL);
|
||||
|
||||
g_free (encoding_name);
|
||||
|
||||
return TRUE;
|
||||
|
||||
/* ERRORS */
|
||||
invalid_caps:
|
||||
{
|
||||
GST_ERROR_OBJECT (payload, "unknown caps specified");
|
||||
return FALSE;
|
||||
}
|
||||
invalid_bitrate:
|
||||
{
|
||||
GST_ERROR_OBJECT (payload, "invalid bitrate %d specified", bitrate);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
gboolean
|
||||
gst_rtp_g726_pay_plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
return gst_element_register (plugin, "rtpg726pay",
|
||||
GST_RANK_NONE, GST_TYPE_RTP_G726_PAY);
|
||||
}
|
49
gst/rtp/gstrtpg726pay.h
Normal file
49
gst/rtp/gstrtpg726pay.h
Normal file
|
@ -0,0 +1,49 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2005 Edgard Lima <edgard.lima@indt.org.br>
|
||||
* Copyright (C) 2007,2008 Axis Communications <dev-gstreamer@axis.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more
|
||||
*/
|
||||
|
||||
#ifndef __GST_RTP_G726_PAY_H__
|
||||
#define __GST_RTP_G726_PAY_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/rtp/gstbasertpaudiopayload.h>
|
||||
|
||||
G_BEGIN_DECLS typedef struct _GstRtpG726Pay GstRtpG726Pay;
|
||||
typedef struct _GstRtpG726PayClass GstRtpG726PayClass;
|
||||
|
||||
#define GST_TYPE_RTP_G726_PAY \
|
||||
(gst_rtp_g726_pay_get_type())
|
||||
#define GST_RTP_G726_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_G726_PAY,GstRtpG726Pay))
|
||||
#define GST_RTP_G726_PAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_G726_PAY,GstRtpG726PayClass))
|
||||
#define GST_IS_RTP_G726_PAY(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_G726_PAY))
|
||||
#define GST_IS_RTP_G726_PAY_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_G726_PAY))
|
||||
|
||||
struct _GstRtpG726Pay
|
||||
{
|
||||
GstBaseRTPAudioPayload audiopayload;
|
||||
};
|
||||
|
||||
struct _GstRtpG726PayClass
|
||||
{
|
||||
GstBaseRTPAudioPayloadClass parent_class;
|
||||
};
|
||||
|
||||
gboolean gst_rtp_g726_pay_plugin_init (GstPlugin * plugin);
|
||||
|
||||
G_END_DECLS
|
||||
#endif /* __GST_RTP_G726_PAY_H__ */
|
Loading…
Reference in a new issue